How Do Composting Toilet Systems Help Improve Sewage Treatment

question 7

Multiple Choice

How do composting toilet systems help improve sewage treatment?

• A) Sewage flows into a passive solar greenhouse.
• B) Waste is converted to a soil-like humus that can be used as a fertilizer.
• C) Water passes through an artificial marsh made of sand and gravel filtering out organic waste.
• D) Household sewage and wastewater is pumped into a settling tank.
• E) Aerobic bacteria remove as much as dissolved and biodegradable, oxygen-demanding organic wastes.

Explain the fundamental divisions of the geologic time scale and their significance.

Understand the impact of photosynthetic autotrophs on the earth's atmosphere and the evolution of life.

Describe the evolutionary lineage and adaptations of major groups of organisms through Earth's history.

Demonstrate an understanding of the hypotheses surrounding the origin of life on Earth, including prebiotic soup and serial endosymbiosis.

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Definitions:

Gratuitous Promise

A promise made without expecting anything in return, which is generally not enforceable in contract law unless it is made in a deed.

Existing Duty

An obligation that is currently in effect under the law or within the terms of a contract.

Consideration

In contract law, something of value promised to another when making an agreement, which is required for the contract to be enforceable.

Racing Bike

A type of bicycle designed for competitive road cycling, characterized by its lightweight frame and components for speed.